Gymnasts competing in the World Championships in Levallois are grouped by age.
Younger competitors take part in the World Age Group Competitions and are divided into three age groups:
- 11‐16 years;
- 12–18 years;
- 13-19 years.
Older participants (15 years and over) compete in the Senior category of the World Championships.
These participants are then grouped according to the number in the team. These are:
- Women’s pairs (two women)
- Men’s pairs (two men)
- Mixed pairs (one woman and one man)
- Women’s groups (three women)
- Men’s groups (four men)